<template>
    <div class="editor-wrapper">
        <div :id="editorId"></div>
    </div>
</template>

<script>
//wangeditor为富文本编辑器
import Editor from 'wangeditor';
import 'wangeditor/release/wangEditor.min.css';
import { oneOf } from '@/util';
export default {
    name: 'Editor',
    props: {
        value: {
            type: String,
            default: ''
        },
        /**
         * 绑定的值的类型, enum: ['html', 'text']
         */
        valueType: {
            type: String,
            default: 'html',
            validator: val => {
                return oneOf(val, ['html', 'text']);
            }
        },
        /**
         * @description 设置change事件触发时间间隔
         */
        changeInterval: {
            type: Number,
            default: 200
        },
        /**
         * @description 是否开启本地存储
         */
        cache: {
            type: Boolean,
            default: true
        }
    },
    computed: {
        editorId() {
            return `editor${this._uid}`;
        }
    },
    methods: {
        setHtml(val) {
            this.editor.txt.html(val);
        }
    },
    mounted() {
        this.editor = new Editor(`#${this.editorId}`);
        this.editor.customConfig.onchange = html => {
            let text = this.editor.txt.text();
            if (this.cache) sessionStorage.editorCache = html;
            this.$emit('input', this.valueType === 'html' ? html : text);
            this.$emit('on-change', html, text);
        };
        this.editor.customConfig.onchangeTimeout = this.changeInterval;
        // create这个方法一定要在所有配置项之后调用
        this.editor.create();
        // 如果本地有存储加载本地存储内容
        let html = this.value || sessionStorage.editorCache;
        if (html) this.editor.txt.html(html);
    }
};
</script>

<style lang="less">
.editor-wrapper * {
    z-index: 100 !important;
}
</style>
